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The B&K Precision 4003A 4 MHz Sweep Function Generator with Frequency Counter offers linear or log sweep with variable sweep rates and widths. It has a 20 MHz 5-digit external frequency counter. Specifications. Frequency Range: 0.5 Hz to 4 MHz in 6 Ranges. Waveforms: 6 Waveforms (Sine, Square, Triangle, Ramp, +Pulse, -Pulse). Amplitude: 0.2 Vpp - 20 Vpp (no load), 0.1 Vpp - 10 Vpp (50 ohm load). Attenuator: -20 db (±2%). Output Impedance: 50 ohm (±2%). DC Offset: ±10 V (pull ADJ.). Distortion: <2%, 1 Hz to 100 kHz. Rise/Fall Time: <90 ns. VCF Input: 0 to 10 V control. SYNC Output Rise Time: <60 ns (TTL), <90 ns (CMOS). SYNC Output Level: approx. 3 Vpp (TTL), variable 4 Vpp - 15 Vpp [±1 Vpp] (CMOS). SYNC Output Waveforms: Square, Pulse. Sweep Mode: Linear/Log Sweep. Sweep Rate: 5 s to 10 ms Continuously Variable. Sweep Output: 10 Vpp (open). Sweep Output Impedance: 1 k-ohm ±2%. Frequency Counter Range: 0.2 Hz to 20 MHz. Display: 5-digit LED display with Autorange. Resolution: 0.01 Hz. MODE: INT Function Generator/EXT Counter. Accuracy: < 0.02% ± 1 digit, for >= 1 kHz. Sensitivity: <100 mVrms (1 MHz), <200 mVrms (>1 MHz). Max Input: <150 Vrms.
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